Shop by Brand


Toytec Aluma Series Boss Suspension System for 10+ 4Runner


Starting at: $1,578.96

Please Choose:







Rear Shocks






PLEASE NOTE! Due to new tax laws this product CAN NOT be shipped to the state of Colorado. NO EXCEPTIONS. Any orders placed to ship to Colorado will be canceled and refunded. This is beyond our control.

Introducing a brand new addition to our lineup. These coilovers still provide the same great ride quality as our current line but offer additional benefits.

Includes:
  • Toytec Front Aluma Series Coilovers
  • The shock bodies are made from hard anodized aluminum for cooler operation as well as better protection from the elements.
  • Adjustable from 2-3" of lift
  • Internal hydraulic valving optimized to match the 700 lb rate spring for use with or without a bumper or winch.
  • Coilovers are assembled and ready to bolt on. No spring compressor or special tools needed for installation.
  • This kit includes sway bar relocation brackets, preload adjustment tool and owners manual.
    Note: Vehicles with KDSS will not use the sway bar bracket.
  • Nitrogen charged design with internal floating piston to help prevent shock fading and cavitation
  • Heavy duty 16mm induction-hardened piston shaft.
  • Lower eyelet has a rubber bushing with steel sleeve for quiet, maintenance free operation.
  • These shocks are fully rebuildable
  • Aftermarket upper control arms are recommended.

Also included:

  • Front Differential Drop kit - Recommended for all lifted 4x4s
  • Toytec Signature rear bump stop drop Kit- Part # RM43006 - Designed to work with our Superflex and HD rear coils allowing your rear bump stops to function properly protecting your rear shocks from damage and keeping the rear tires from hitting the fenderwell.

Rear Lift Options:

  • Toytec Rear Superflex Coils: - Our BOSS kits comes standard with Toytec RCC2.0 rear springs- These springs offer 2" of lift with stock rear weight with the best overall ride quality and rear articulation.
  • Optional HD Rear Superflex coils offer additional weight capacity. Recommended 150-200 lbs of constant load for 2-2.5" of lift.

Rear Shock Options:

  • TT-75109 Toytec BOSS rear shocks are optimized for maximum travel with Superflex coils
  • TT-75110RR - Rear BOSS 2.0 Remote Reservoir Shocks. For additional performance, the remote reservoir shock will hold more oil to prevent shock fading on rougher applications.

Add Upper Control Arms to complete your kit:

  • Total Chaos Uniball Upper Control arms - 96504 - Maximize your wheel travel and increase your strength while also correcting alignment angles.
  • SPC Adjustable Upper Control Arms - 25480 - The most adjustable UCA on the market. Correct your alignment angles. Also great to help with adjusting for tire clearance.

Note: Boss front coilovers are only designed to work with stock front lower control arms

  • Model: TTBOSS-4R210ALM
  • Manufactured by: Toytec

Be the first to write a review.  Write a Review.



More Information

Manufacturer Info

PayPal Credit